package com.imooc.modular.async;


import org.apache.commons.lang.RandomStringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.context.request.async.DeferredResult;

import java.util.concurrent.Callable;

@RestController
public class AsyncController {

    private Logger logger = LoggerFactory.getLogger(getClass());

    @Autowired
    private MockQueue mockQueue;

    @Autowired
    private DeferredResultHolder deferredResultHolder;


    @PostMapping("/order")
    public DeferredResult<String> order() throws InterruptedException {

        logger.info("主线程开始");
        /*Callable<String> result = new Callable<String>() {
            @Override
            public String call() throws Exception {

                logger.info("---副线程开始");
                Thread.sleep(1000);
                logger.info("---副线程返回");

                return "success";
            }
        };*/

        String orderNum = RandomStringUtils.randomNumeric(8);
        mockQueue.setPlaceOrder(orderNum);
        DeferredResult<String> result = new DeferredResult<>();

        deferredResultHolder.getMap().put(orderNum,result);





        logger.info("主线程返回");

        return result;
    }
}
